Muscle Cell News Volume 7.11 | Apr 4 2022

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    2022-04-04 | MUSCN 7.11


    Muscle Cell News by STEMCELL Technologies
    Vol. 7.11 – 4 April, 2022
    TOP STORY

    Reprogramming of Fibroblasts into Expandable Cardiovascular Progenitor Cells via Small Molecules in Xeno-Free Conditions

    Investigators generated chemically induced cardiovascular progenitor cells self-renewed long-term in fully chemically defined and xeno-free conditions, with faithful preservation of the cardiovascular progenitor cell phenotype and of cardiovascular differentiation capacity in vitro and in vivo.
    [Nature Biomedical Engineering]

    Abstract

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    PUBLICATIONSRanked by the impact factor of the journal

    Bioartificial Pulsatile Cuffs Fabricated from Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes Using a Pre-Vascularization Technique

    Researchers described a new method of constructing a vascular network in vivo that allowed for the construction of thick human myocardial tissue from multi-layered cell sheets.
    [NPJ Regenerative Medicine]

    Full Article

    RARG S427L Attenuates the DNA Repair Response to Doxorubicin in Induced Pluripotent Stem Cell-Derived Cardiomyocytes

    Scientists performed molecular dynamic simulations to determine the effect of missense variant rs2229774 on retinoic acid receptor gamma (RARG) structure and then validated these predictions using CRISPR-Cas9-genome-edited, induced pluripotent stem cell-derived cardiomyocytes.
    [Stem Cell Reports]

    Full ArticleGraphical Abstract

    Tomatidine-Stimulated Maturation of Human Embryonic Stem Cell-Derived Cardiomyocytes for Modeling Mitochondrial Dysfunction

    To enhance the maturation of human embryonic stem cell-derived cardiomyocytes (hESC-CMs), the authors identified a natural steroidal alkaloid, tomatidine, as a new substance that stimulated the maturation of hESC-CMs.
    [Experimental and Molecular Medicine]

    Full Article

    LncRNA FAF Attenuates Hypoxia/Ischaemia-Induced Pyroptosis via the miR-185-5p/PAK2 Axis in Cardiomyocytes

    Investigators explored the antipyroptotic effects of long noncoding RNA (lncRNA) FGF9-associated factor (FAF) in acute myocardial infarction.
    [Journal of Cellular and Molecular Medicine]

    Full Article

    Long-Chain Ceramides Are Cell Non-Autonomous Signals Linking Lipotoxicity to Endoplasmic Reticulum Stress in Skeletal Muscle

    Researchers induced endoplasmic reticulum (ER) stress and lipotoxicity in myotubes and observed ER stress-inducing lipid cell non-autonomous signals.
    [Nature Communications]

    Full Article

    Sirt6 Reprograms Myofibers to Oxidative Type through CREB-Dependent Sox6 Suppression

    Scientists reported that Sirt6, an anti-aging histone deacetylase, was critical in regulating myofiber configuration toward oxidative type and that Sirt6 activator could be an exercise mimetic.
    [Nature Communications]

    Full Article

    Involvement of Parkin-Mediated Mitophagy in the Pathogenesis of Chronic Obstructive Pulmonary Disease-Related Sarcopenia

    The authors examined the involvement of insufficient Parkin-mediated mitophagy, a mitochondrion-selective autophagy, in the mechanisms by which dysfunctional mitochondria accumulated with excessive reactive oxygen species production in the development of chronic obstructive pulmonary disease-related sarcopenia.
    [Journal of Cachexia Sarcopenia and Muscle]

    Full Article

    Transcriptional States and Chromatin Accessibility during Bovine Myoblasts Proliferation and Myogenic Differentiation

    Researchers recapitulated the time course of fetal skeletal muscle development in vitro and explored the dynamic changes of chromatin accessibility and gene expression during bovine myoblasts proliferation and differentiation.
    [Cell Proliferation]

    Full Article

    Bone Marrow Mesenchymal Stem Cell-Derived Exosomal microRNA-381-3p Alleviates Vascular Calcification in Chronic Kidney Disease by Targeting NFAT5

    The authors investigated the mechanism of bone marrow mesenchymal stem cell-derived exosome using high phosphate stimulated human aortic smooth muscle cells and nephrectomy rat models.
    [Cell Death & Disease]

    Full ArticleGraphical Abstract

    Irisin Protects against Vascular Calcification by Activating Autophagy and Inhibiting NLRP3-Mediated Vascular Smooth Muscle Cell Pyroptosis in Chronic Kidney Disease

    Irisin effectively inhibited β-glycerophosphate-induced calcium deposition in vascular smooth muscle cells (VSMCs) in vitro and in mice aortic rings ex vivo. Overexpression of NLR family pyrin domain containing 3 (Nlrp3) attenuated the suppressive effect of Irisin on VSMC calcification.
    [Cell Death & Disease]

    Full Article

    miRNA/mRNA Co-Profiling Identifies the miR-200 Family as a Central Regulator of SMC Quiescence

    Scientists unraveled the substantial contribution of miRNAs in regulating the smooth muscle cell (SMC) transcriptome and identified the miR-200 cluster as a pro-quiescence mechanism and a potential inhibitor of vascular restenosis.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Stent-Based Delivery of AAV2 Vectors Encoding Oxidation-Resistant ApoA1

    Researchers investigated whether local delivery of adeno-associated viral (AAV) vectors expressing oxidation-resistant wild type apolipoprotein A1 (apoA1) preserved apoA1 functionality.
    [Scientific Reports]

    Full Article

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    REVIEWS

    Mitochondrial-Derived Vesicles in Skeletal Muscle Remodeling and Adaptation

    The authors discuss mitochondrial-derived vesicle generation and release as a mitophagy-complementing route for the maintenance of mitochondrial homeostasis in skeletal myocytes.
    [Seminars in Cell & Developmental Biology]

    Abstract

    Identifying and Targeting the Molecular Signature of Smooth Muscle Cells Undergoing Early Vascular Aging

    Early vascular aging (EVA) is distinct from chronological aging, and research is ongoing to identify a definitive molecular signature of EVA to facilitate the discovery of new clinical tests for early detection of EVA and identify therapeutic targets to prevent EVA in smooth muscle cells.
    [Biochimica Et Biophysica Acta-Molecular Basis of Disease]

    AbstractGraphical Abstract

    INDUSTRY AND POLICY NEWS

    Santhera and ReveraGen Start Rolling NDA Submission to the FDA for Vamorolone for the Treatment of Duchenne Muscular Dystrophy

    Santhera Pharmaceuticals and ReveraGen BioPharma, Inc. announced the initiation of a rolling new drug application (NDA) submission to the US FDA for vamorolone for the treatment of Duchenne muscular dystrophy.
    [Santhera Pharmaceuticals]

    Press Release

    FEATURED EVENT

    ISSCR 2022 Annual Meeting

    June 15 – 18, 2022
    San Francisco, California, United States

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    JOB OPPORTUNITIES

    Postdoctoral Scholarship – Molecular Biology

    University of Gothenburg – Gothenburg, Sweden

    Postdoctoral Researcher – Renal and Cardiovascular Animal Models

    University of Copenhagen – Copenhagen, Denmark

    Postdoctoral Fellows – Molecular Cardiology

    University of California, San Diego – La Jolla, California, United States

    Research Technician I/II – Skeletal Muscle Biology

    Oklahoma Medical Research Foundation – Oklahoma City, Oklahoma, United States

    Principal Scientific Researcher – Cell and Tissue Genomics

    Genentech, Inc. – South San Francisco, California, United States

    > See All Jobs

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